Luigi's Mansion Lab and Poltergust

Notable parts

• 2 moulds appear in no other set: Brick Special Round, Curved Sides 4 x 4 x 1 1/3 with Pin Holes, 2 x 2 Recessed…; Nintendo Figure, Legs and Overalls with Two Front Studs, with Internal Prongs….
• 3 parts come in a colour no other set has for that mould: Arm, with Pin, Clip (No Hand) (Bright Light Orange) ×2; Brick Special 1 x 1 with Stud on 1 Side (Light Nougat) ×2; Wave / Flame Small with Pin (White).
• 7 printed parts are only in this set: Tile Round 1 x 1 with Medium Blue Circles on White Background print (Black) ×2; Brick 1 x 2 with Nose, Open Mouth, Tooth print (Light Nougat); Brick Curved 2 x 2 x 2/3 with Yellow Eyes, Open Mouth print (Bright Light Orange); Brick Round 2 x 2, Pin Holes with Lab Coat print (White); Tile 2 x 2 with Professor E. Gadd and Barcode Print (Sticker) (White); and 2 more.
• 3 parts appear in only a few other sets: Plate Special 2 x 2 with Groove and Center Stud (Jumper) (Light Nougat) — also in 40800 Buggy the Clown Figure, 40916 Floral Picture Frame; Tile 2 x 2 with 'START' in Two Corners and Barcode Print (Sticker) (Dark Green) — also in 71399 Luigi's Mansion Entryway, 71401 Luigi's Mansion Haunt-and-Seek (all Super Mario); Bar T-Split with Hole (Light Bluish Gray) — also in 60375 Fire Station and Fire Engine, 60380 Downtown, 60410 Fire Rescue Motorcycle, 892405 Climber Kai.
• 3 parts are otherwise only found in Super Mario sets: Plate Round Corners 4 x 4 x 2/3 Circle with Reduced Knobs (Dark Orange) ×4; Plate Round Corners 4 x 4 x 2/3 Circle with Reduced Knobs (Medium Nougat) ×2; Feet, 2 x 2 x 2/3 with 4 Studs on Top (Reddish Brown).
• 3 moulds first came out in 2022, including in this set: Arm, with Pin, Clip (No Hand) ×2; Bar T-Split with Hole; Plate Round Corners Double 4 x 6 with 2 x 2 Cutout and 2 x 6 Raised Studs.
• 2 existing moulds first came out in their colour in 2022, including in this set: Plate 1 x 2 (Light Nougat); Plate Special 2 x 2 with Groove and Center Stud (Jumper) (Light Nougat).

Calculated from Rebrickable’s public set inventories, excluding sticker sheets and spare parts.